CN214355629U

CN214355629U - Novel battery management system device of electric light truck

Info

Publication number: CN214355629U
Application number: CN202022807226.6U
Authority: CN
Inventors: 吴静
Original assignee: Jiangxi Isuzu Motors Co Ltd
Current assignee: Jiangxi Isuzu Motors Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-08
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to an automobile battery technical field, it discloses a novel electronic light truck battery management system device, present technical problem has been solved, including the outer container, the outer container independent setting is outside at electronic light truck battery box, the inside battery state monitoring module that is provided with of outer container, battery state analysis module, health degree analysis module, relay control module and charge and discharge management module, battery state monitoring module be used for with electronic light truck battery electric connection, battery state analysis module and health degree analysis module be used for with electronic light truck battery electric connection, relay control module be used for with charge and discharge management module electric connection, charge and discharge management module be used for with electric connection electronic light truck battery electric connection. According to the technical scheme, the device is independent of the battery box body, the cost of the whole power battery system can be optimized compared with a centralized design scheme, and meanwhile, the device plays an important role in improving the energy density of the battery box.

Description

Novel battery management system device of electric light truck

Technical Field

The utility model relates to an automobile battery technical field, more specifically say, it relates to a novel battery management system device of electric light truck.

Background

The BMS of the power system includes both an integrated type and a distributed type, and the integrated type is more and more, but the BMS tends to be gradually replaced by the distributed type. Distributed branch mainboard, slave board, the slave board is responsible for monitoring each item parameter of the inside electric core of electronic box, later gives the mainboard with these basic information transfer again, and the mainboard carries out information processing through concrete tactics and algorithm, forms effectual reliable reporting data and gives vehicle control unit, and then receives the instruction that vehicle control unit downloaded again, further controls electric core.

The battery management system BMS is of great importance to the whole battery system, is the center and the brain of the whole battery system, directly manages all parts of the battery system and guarantees normal operation. The BMS of the power system is divided into a distributed type and a distributed type. Conventionally, the BMS is mostly integrated with the battery system, i.e., designed inside the battery case. The BMS is communicated with a vehicle control unit through a CAN bus for the upstream, reports battery state parameters, receives a vehicle control unit instruction, determines power output according to vehicle requirements, monitors the running state of a whole battery system for the downstream, protects the battery from damage of abnormal running states such as over discharge and overheating, interacts with a charger in the charging process, manages the charging parameters, and monitors the normal completion of the charging process.

The BMS of the power system is divided into a distributed type and a distributed type, in terms of proportion, the integrated type is more, namely, the BMS controller is integrated in the electric box, various parameters of each battery cell are monitored through the mainboard, reporting is further completed, and meanwhile, charging and discharging of the battery cell are corrected after various instructions are received. This integrated form's BMS is because of built-in the electronic box, has increased the weight of electronic box undoubtedly, consequently has reduced battery energy density to drawing, simultaneously for avoiding inside high pressure to the interference of BMS, promotes the interference killing feature of controller chip, need select the chip of higher performance, and then leads to BMS cost-push.

SUMMERY OF THE UTILITY MODEL

BMS to proposing in the background art because of built-in the electronic box increased the electronic box weight, drawn down battery energy density's technical problem, the utility model discloses utilize the outer container to independently set up battery management system device at electric light truck battery box outside to reach the cost that whole power battery system more can be optimized to centralized design, play the purpose of important effect to the improvement of the energy density of battery box simultaneously.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a novel battery management system device of electric light truck, includes the outer container, the outer container independent setting is outside at electric light truck battery box, inside battery state monitoring module, battery state analysis module, health degree analysis module, relay control module and the charge and discharge management module of being provided with of outer container, battery state monitoring module be used for with electric light truck battery electric connection, battery state analysis module be used for with electric light truck battery electric connection, health degree analysis module be used for with electric light truck battery electric connection, relay control module be used for with charge and discharge management module electric connection, charge and discharge management module be used for with electric connection electric light truck battery electric connection.

Through the technical scheme, the device is independent of the battery box body, the cost of the whole power battery system can be optimized through a centralized design scheme, and meanwhile, the device plays an important role in improving the energy density of the battery box. In addition, for the independent device, the convenience in maintenance is improved, and higher maintenance cost and period such as unpacking are reduced. The device can realize more functions: the system comprises the following components of battery state monitoring, battery state analysis, health degree analysis, relay control function, charge and discharge management, battery cell balance management, high-voltage interlocking detection, fault diagnosis, data communication and the like. Generally speaking, the device receives various parameters of the battery state through a series of strategies and algorithms, makes strategy judgment, sends and receives relevant information and instructions to the vehicle controller, and then makes corresponding execution commands so as to ensure that each battery cell works normally in a safe and reliable state. The battery management system device is independent of the battery box body, the working environment of the battery management system device is better than that of the inside of the battery box body, the electromagnetic interference degree is greatly reduced to a great extent, distortion of signals transmitted in the communication process is avoided, and data transmission is influenced.

The utility model discloses further set up to: the battery cell balance management module is arranged in the outer box and used for being electrically connected with a battery of the electric light truck.

The utility model discloses further set up to: the inner box is internally provided with a high-voltage interlocking detection module which is used for being electrically connected with a battery of the electric light truck.

The utility model discloses further set up to: the inner part of the outer box is provided with a fault diagnosis module which is used for being electrically connected with a battery of the electric light truck.

The utility model discloses further set up to: the inner part of the outer box is provided with a data communication module which is used for being electrically connected with a battery of the electric light truck.

The utility model discloses further set up to: the outer container includes case lid and box body, battery state monitoring module, battery state analysis module, health degree analysis module, relay control module and charge-discharge management module all install in the box body, the case lid can be dismantled fixedly on the box body, the bottom of box body is equipped with the stationary blade, the fixed orifices has been seted up on the stationary blade.

To sum up, the utility model discloses following beneficial effect has:

(1) the device is separated from the battery box body as an independent part, so that the energy density of the power battery is effectively improved, and the charge and discharge performance of the battery is improved;

(2) in terms of BMS integrated and split development trends, the split scheme is implemented, so that the process of the product in the product platform design of a company is promoted, research results are effectively converted into productivity, and technical innovation is further accelerated;

(3) for an independent device, the maintenance convenience is improved, and higher maintenance cost and period such as unpacking are reduced.

Drawings

FIG. 1 is a perspective view of a battery management system apparatus;

fig. 2 is a schematic diagram of the circuit connection of the battery management system device.

Reference numerals: 1. an outer box; 2. a battery state monitoring module; 3. a battery state analysis module; 4. a health degree analysis module; 5. a relay control module; 6. a charge and discharge management module; 7. a battery cell balance management module; 8. a high voltage interlock detection module; 9. a fault diagnosis module; 10. a data communication module; 11. a box cover; 12. a box body; 13. a fixing sheet; 14. and (7) fixing holes.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

The utility model provides a novel battery management system device of electric light truck, combine figure 1 and figure 2 to know, including outer container 1, outer container 1 independently sets up in electric light truck battery box outside, 1 inside battery state monitoring module 2 that is provided with of outer container, battery state analysis module 3, health degree analysis module 4, relay control module 5 and charge and discharge management module 6, battery state monitoring module 2 be used for with electric light truck battery electric connection, battery state analysis module 3 be used for with electric light truck battery electric connection, health degree analysis module 4 be used for with electric light truck battery electric connection, relay control module 5 be used for with charge and discharge management module 6 electric connection, charge and discharge management module 6 be used for with electric light truck battery electric connection.

Outer container 1 includes case lid 11 and box body 12, and battery state monitoring module 2, battery state analysis module 3, health degree analysis module 4, relay control module 5 and charge-discharge management module 6 are all installed in box body 12, and case lid 11 can be dismantled and fix on box body 12, and the bottom of box body 12 is equipped with stationary blade 13, has seted up fixed orifices 14 on the stationary blade 13.

The battery cell balance management module 7 is arranged inside the outer box 1, and the battery cell balance management module 7 is used for being electrically connected with a battery of the electric light truck. The inside high pressure interlocking detection module 8 that is provided with of outer container 1, high pressure interlocking detection module 8 be used for with electric light truck battery electric connection. The inner part of the outer box 1 is provided with a fault diagnosis module 9, and the fault diagnosis module 9 is used for being electrically connected with a battery of the electric light truck. The data communication module 10 is arranged inside the outer box 1, and the data communication module 10 is used for being electrically connected with a battery of the electric light truck.

The system is realized and put into use on the pure electric light card project, the pure electric light card realizes loading verification of AP, CP and PP, the charging and discharging performance of the battery is improved, the energy density of the electric box is improved due to implementation of the scheme, and the system plays a key role in conformity of national subsidy policies to a great extent. In addition, for the independent device, the convenience in maintenance is improved, and higher maintenance cost and period such as unpacking are reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A novel battery management system device of an electric light truck is characterized by comprising an outer box (1), the outer box (1) is independently arranged outside the battery box body of the electric light truck, a battery state monitoring module (2), a battery state analysis module (3), a health degree analysis module (4), a relay control module (5) and a charging and discharging management module (6) are arranged in the outer box (1), the battery state monitoring module (2) is used for being electrically connected with a battery of the electric light truck, the battery state analyzing module (3) is used for being electrically connected with the battery of the electric light truck, the health degree analysis module (4) is electrically connected with a battery of the electric light truck, the relay control module (5) is electrically connected with the charge and discharge management module (6), and the charge and discharge management module (6) is used for being electrically connected with a battery of the electric light truck.

2. The novel battery management system device for electric light trucks according to claim 1, characterized in that: the battery cell balance management device is characterized in that a battery cell balance management module (7) is arranged inside the outer box (1), and the battery cell balance management module (7) is used for being electrically connected with a battery of the electric light truck.

3. The novel battery management system device for electric light trucks according to claim 1, characterized in that: the high-voltage interlocking device is characterized in that a high-voltage interlocking detection module (8) is arranged inside the outer box (1), and the high-voltage interlocking detection module (8) is used for being electrically connected with a battery of the electric light truck.

4. The novel battery management system device for electric light trucks according to claim 1, characterized in that: the electric light truck battery box is characterized in that a fault diagnosis module (9) is arranged inside the outer box (1), and the fault diagnosis module (9) is used for being electrically connected with an electric light truck battery.

5. The novel battery management system device for electric light trucks according to claim 1, characterized in that: the electric light truck battery box is characterized in that a data communication module (10) is arranged inside the outer box (1), and the data communication module (10) is used for being electrically connected with an electric light truck battery.

6. The novel battery management system device for electric light trucks according to claim 1, characterized in that: outer container (1) includes case lid (11) and box body (12), battery state monitoring module (2), battery state analysis module (3), health degree analysis module (4), relay control module (5) and charge-discharge management module (6) are all installed in box body (12), case lid (11) can be dismantled and fix on box body (12), the bottom of box body (12) is equipped with stationary blade (13), fixed orifices (14) have been seted up on stationary blade (13).